Cisco 4451 ISR User Manual

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Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers
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Chapter 6 Install and Upgrade Internal Modules and FRUs
Replace a Fan Tray
Step 2 Completely loosen the three captive fan tray screws.
Step 3 Pull the fan tray out.
Step 4 Insert the replacement fan tray and tighten the three captive screws.
Step 5 Replace the bezel.
Figure 6-43 Cisco 4351 ISR4 Fan Tray
Figure 6-44 Cisco 4431 ISR Fan Tray
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1
2
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1 Captive screws 2 Fan tray
1 Captive screws 2 Fan tray
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Cisco 4451 ISR Specifications

General

Form Factor	Rack-mountable
WAN Ports	4
Maximum Throughput	2 Gbps
Total onboard GE ports	4
NIM slots	2
ISM slots	1
Product Series	Cisco 4000 Series Integrated Services Routers
Operating System	Cisco IOS XE
Operating Temperature	32 to 104°F (0 to 40°C)
Memory	4 GB default, expandable to 16 GB
Flash Memory	8 GB
Model	4451 ISR
Network Interfaces	4 x Gigabit Ethernet
Storage Temperature	-4 to 149°F (-20 to 65°C)
Humidity	5 to 95% non-condensing